Algebra
posted by Zero .
Job A pays Edith $4 an hour. Job B pays her $8 an hour. She will work both jobs. She is able to work no more than 15 hours a week. She wants to earn at least $80 a week, working a combination of both jobs.
Write a system of inequalities that can use used to represent the situation.

Algebra 
Reiny
number of hrs at job A  x
number of hrs at job B  y
x+y ≤ 15
4x + 8u ≥ 80 or x + 2y ≥ 20
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